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Finding the Fourth Proportional to 7,333.65, 11,000.00 and 3,170.72

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Solution

The fourth proportional to 7,333.65, 11,000.00 and 3,170.72 is: 4,755.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.65 : 11,000.00 = 3,170.72 : x
  2. Step 2: Convert to fraction form
    7,333.65/11,000.00 = 3,170.72/x
  3. Step 3: Cross multiply
    7,333.65x = 11,000.00 × 3,170.72
  4. Step 4: Simplify right side
    7,333.65x = 34,877,955.43
  5. Step 5: Solve for x
    x = 34,877,955.43/7,333.65
  6. Step 6: Final answer
    x = 4,755.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.